{"id":"F2007L00746","name":"AD/TB 200/10 - Engine and Nose Landing Gear Mounts","slug":"ad-tb-200-10-engine-and-nose-landing-gear-mounts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":64423,"registerId":"commonwealth-F2007L00746-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Aerospatiale (Socata) TB 200 Series Aero","sectionType":"division","heading":"Aerospatiale (Socata) TB 200 Series Aeroplanes","content":"### Aerospatiale (Socata) TB 200 Series Aeroplanes\n\n| AD/TB 200/10 | Engine and Nose Landing Gear Mounts | 4/2007 |\n| ------------ | ----------------------------------- | ------ |\n\n| Applicability: | Model TB 200 aircraft, all serial numbers.                                                                                                                                                                                                                                                                                         |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Update the Aircraft Maintenance Manual by incorporating EADS Socata TB 200 Maintenance Manual Chapter 4 Revision 18.Modify the operator’s maintenance program accordingly to comply with all limitations from the Airworthiness Limitations Section of the respective Maintenance Manual Chapter 4.Note: EASA AD 2007-0034 refers. |\n| Compliance:    | From the effective date of this Directive.                                                                                                                                                                                                                                                                                         |\n|                | This Airworthiness Directive becomes effective on 12 April 2007.                                                                                                                                                                                                                                                                   |\n| Background:    | The EASA requires introduction of the new 10,000 flight hour life limit for engine and nose landing gear mounts into the operator’s maintenance program.                                                                                                                                                                           |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n1 March 2007","sortOrder":0},{"sectionNumber":"AD/TB 200/10","sectionType":"part","heading":"AD/TB 200/10","content":"## AD/TB 200/10","sortOrder":1},{"sectionNumber":"Engine and Nose Landing Gear Mounts","sectionType":"part","heading":"Engine and Nose Landing Gear Mounts","content":"## Engine and Nose Landing Gear Mounts","sortOrder":2},{"sectionNumber":"4/2007","sectionType":"part","heading":"4/2007","content":"## 4/2007","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive implements EASA's introduced 10,000 flight‑hour life limit by requiring incorporation of the specified Maintenance Manual chapter and corresponding changes to operator maintenance programs. It does not expand applicability beyond all TB 200 aircraft nor add requirements beyond updating manuals and complying with the life limit (Applicability; Requirement; Background)."},"complexity_factors":["Cross-reference to an external manufacturer document: requires incorporation of EADS Socata TB 200 Maintenance Manual Chapter 4 Revision 18 into operator documentation (Requirement).","Introduction of a fixed life limit: a new 10,000 flight‑hour retirement limit for engine and nose landing‑gear mounts requires tracking of flight hours and parts retirement (Background; Requirement).","Universal applicability: affects all TB 200 serial numbers, so the change is system‑wide for that fleet (Applicability).","Operational and cost impact: potential need to schedule replacements, inspections or part procurement when mounts approach the life limit (Requirement; Compliance).","Regulatory cross‑reference: the AD implements an EASA directive, so operators must align national maintenance programs with an external authority's airworthiness limitation (Background; Note: EASA AD 2007-0034)."],"plain_english_summary":"This Directive requires every TB 200 aircraft operator to update the Aircraft Maintenance Manual with EADS Socata TB 200 Maintenance Manual Chapter 4 Revision 18 and to amend operator maintenance programs to adopt a 10,000 flight‑hour life limit for engine and nose landing‑gear mounts. It applies to all TB 200 serial numbers and is effective 12 April 2007.\n\nOperators must change maintenance scheduling and retire or replace mounts at the new life limit. The change implements an EASA requirement and creates administrative and maintenance costs for owners/operators."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow airworthiness directive focused on a specific technical update for a single aircraft type. It has not expanded beyond its original purpose of mandating a maintenance manual update and life limit introduction."},"complexity_factors":["Very short document (under 300 words)","Only one substantive requirement: incorporate a specific manual revision","No defined terms section","No cross-references to other legislation (only a reference to an EASA AD for background)","Single, unambiguous compliance action with clear applicability","No conditional logic, exceptions, or nested provisions"],"plain_english_summary":"This AD requires owners/operators/maintainers of Aerospatiale (Socata) TB 200 series aeroplanes in Australia to update their maintenance manuals/programs with Maintenance Manual Rev.18, Ch.4, which imposes a 10,000 flight‑hour life limit on engine mounts and nose landing gear mounts. \n\nIt matters because those critical components can fail from fatigue; the limit (based on EASA data) prevents structural failure, is mandatory, and took effect 12 April 2007."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts","history":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts/history","analysis":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts/analysis","conflicts":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts/conflicts","importantCases":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts/important-cases","documents":"/api/acts/ad-tb-200-10-engine-and-nose-landing-gear-mounts/documents"}}